/Engine/Source/Runtime/RHI/Public/RHICommandList.h
struct FRHICommandDrawIndexedPrimitiveIndirect : public [FRHICommand< FRHICommandDrawIndexedPrimitiveIndirect, FRHICommandDrawIndexedPrimitiveIndirectString__LINE__ >](API\Runtime\RHI\FRHICommand)
uint32
ArgumentOffset
FRHIBuffer*...
ArgumentsBuffer
FRHIBuffer*...
IndexBuffer